Heat Shrinkable Tube Shrink ratio:2:1,3:1 Flame-retardant Product Name135C Environment Frindly Flame-retardant Heat Shrinkable ... area beams and connecting pieces of insulation, etc.Characteristics: 1.Flame-retardant;2.Good resistance to common fluids and solvents ... ~ +135C;6.Shrink ratio:2:1,3:1;7.RoHS compliant. Standard color: Clear (Other color available request.) Heat Shrinkable Tube 2:1, 3:1